Posted on YouTube by M. Bonnemayers.Maestro Rieu plays Adagio from concerto nr 3 in G, Kv 216, with pianist/composer Mauritius Bonnemayers, playing on the right piano. On the left piano you see Maestro Roger Moens, my teacher. He is a pupil of a pupil of a pupil of a pupil Franz Liszt. We all come from the city of Maastricht in the Netherlands.